Migrating the Hive Metastore to AWS
The Hive Metastore is a crucial component within Hadoop, acting as a centralized storehouse for metadata related to Hive tables, schemas, and partitions. When transitioning your Hadoop cluster to the AWS cloud, you can opt to either establish a dedicated Hive Metastore on AWS or utilize the managed AWS Glue Data Catalog.
Migrating to the AWS Glue Data Catalog provides benefits such as schema versioning and efficient integration with Amazon EMR, especially for transient clusters. This migration ensures high availability, fault tolerance, and better data governance.
When it comes to data discovery and management, two data catalogs are among the most popular choices:
- Hive Metastore: This repository houses essential information about Hive tables and their underlying data structures, including partition names and data types. Hive, an open source data warehousing and analytics tool built on Hadoop, can be deployed on platforms such as EMR...